Audiobus: Use your music apps together.

What is Audiobus?Audiobus is an award-winning music app for iPhone and iPad which lets you use your other music apps together. Chain effects on your favourite synth, run the output of apps or Audio Units into an app like GarageBand or Loopy, or select a different audio interface output for each app. Route MIDI between apps — drive a synth from a MIDI sequencer, or add an arpeggiator to your MIDI keyboard — or sync with your external MIDI gear. And control your entire setup from a MIDI controller.

Download on the App Store

Audiobus is the app that makes the rest of your setup better.

PSA: Nectar Bolt Synth (Mac / Win)

This one flew under my radar, but so far I like the sound of this original approach a lot!

https://nektartech.com/bolt-harmonics-synthesizer-vst-au/

BOLT enables a different and fast approach to sound design with an unusually organic and warm sonic character. Harmonics Synthesis generates and shapes the sound directly in the oscillator: It doesn’t require the dedicated filter section typically found on subtractive synthesizers. By turning just one knob, a wave’s shape can be changed from dark and subtle to bright and overtone-rich.

Harmonics Synthesis is based on the MSO (multi sine oscillator) concept by Professor Dr. Udo Zoelzer of Helmut Schmidt University in Hamburg, Germany. Mr Zoelzer is a scientist with decades of experience in digital signal processing and a passion for audio and synthesis. Over the last two years, the university and Nektar have collaborated on developing MSO into a full-blown synthesis engine.

BOLT is up to 16 voice polyphonic and offers 2 oscillators per voice, each equipped with suboscillator, noise generator, distortion and a dedicated ADSR envelope. Three syncable LFOs and a Modulation Envelope provide extensive modulation features. The number of overtones is set with BOLT’s Harmonics parameter, Rolloff additionally adjusts the steepness of the Harmonics “cutoff”. Apart from standard waveforms such as sine, saw or square, Harmonics Synthesis is also capable of generating pulse chains and alternating shapes. Cross modulation between BOLT’s two oscillators opens the door to FM-like sounds and all sorts of modulation mayhem. A Voice Double mode provides unison features and 4 integrated effects processors simplify the creation of production-ready patches.

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